12951329 has 2 divisors, whose sum is σ = 12951330. Its totient is φ = 12951328.

The previous prime is 12951317. The next prime is 12951353. The reversal of 12951329 is 92315921.

12951329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 277729 = 3560^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 12951329 - 2¹⁶ = 12885793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12951295 and 12951304.

It is not a weakly prime, because it can be changed into another prime (12951359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6475664 + 6475665.

It is an arithmetic number, because the mean of its divisors is an integer number (6475665).

Almost surely, 2^12951329 is an apocalyptic number.

It is an amenable number.

12951329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12951329 is an equidigital number, since it uses as much as digits as its factorization.

12951329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 32.

The square root of 12951329 is about 3598.7954929393. The cubic root of 12951329 is about 234.8396612622.

The spelling of 12951329 in words is "twelve million, nine hundred fifty-one thousand, three hundred twenty-nine".